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    These are the all formulas needed for C2 that aren't listed on the formula sheet

    Sin Rule
    a/sinA = b/sinB

    Area of a triangle
    1/2absinC

    Area of a sector
    θr²/2

    tanx=sinx/cosx

    Area of a circle
    πr²

    sin²θ + cos²θ = 1

    Arc length
    θr

    Circumference of a circle
    2πr
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    @_mou

    I've moved this to the maths forum
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    TSR Community Team
    (Original post by _mou)
    These are the all formulas needed for C2 that aren't listed on the formula sheet

    Sin Rule
    a/sinA = b/sinB

    Area of a triangle
    1/2absinC

    Area of a sector
    θr²/2

    tanx=sinx/cosx

    Area of a circle
    πr²

    sin²θ + cos²θ = 1

    Arc length
    θr

    Circumference of a circle
    2πr

    I've moved this to the maths forum
 
 
 
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